prevent programmers meaningful passwords used during runtime

my concentration connects an ftp server username password. i emanate an encryption slight encrypt decrypt password, nonetheless anybody opening source formula encrypted evidence decrypt password.

is there an easy proceed hinder each tellurian being meaningful whole evidence used an application? (i cruise it's fine churned know biased password.)

edit: i know ftp secure. ideally, i'd technique work any conditions where username evidence mandatory (e.g. database connection).